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Priming Valves for Liquid Ring Vacuum Pumps Gardner Denver Nash priming valves were designed specifically to be used in Nash vacuum pump priming systems. They are extremely simple, dependable and durable. It has been proven in successful service for nearly fifty years. A Nash vacuum system is often used to prime one or more centrifugal pumps located above the free liquid levels of their suction sources. Vacuum draws liquid up until it fills each pump's suction line and floods its volute. This condition can be established before the pump is started up, so that it is always primed and ready to begin pumping. A Nash vacuum system is often used to prime one or more centrifugal pumps located above the free liquid levels of their suction sources. Vacuum draws liquid up until it fills each pump's suction line and floods its volute. This condition can be established before the pump is started up, so that it is always primed and ready to begin pumping

100 - 3600 CFM / 170 to 6,100 m³/h The NASH SC vacuum pump and compressor, which replaced the popular NASH CL pump in the 1980's, is still being manufactured at Gardner Denver Nash. The SC pump, more flexible and simpler to install and easy to maintain, made it a very reliable pump to be used in many applications. SC pumps are found in applications including: autoclaves, chucking, container filling, labeling and forming, cooking, deaerating, deodorizing food and fats, drying, evaporating, eviscerating, exhausting, extruder venting, fiber setting, filtering, forming, gas stripping, laboratory central vacuum systems, medical and dental vacuum draining, molding, pickup and conveying, priming, slot extraction, and solvent recovery. All SC models are still available from Gardner Denver Nash, the original designer and manufacturer. Whether you have an existing SC pump running in your plant that is in need of service, repair, or replacement with a new or remanufactured duplicate SC pump, Gardner Denver Nash is there for all of the above.

125-2100 CFM / 210 to 3,560 m³/h The NASH TC/TCM liquid ring vacuum pumps are highly reliable and efficient. These pumps, with their integral two stage impeller, are able to condense process vapors and to recover or dispose of the vapors. Another benefit of these pumps is that they can attain vacuum levels down to 0.8" HgA (20mmHgA). This is approximately 40 percent lower absolute pressure than a single stage pump. The NASH TC and TCM models are designed to handle large amounts of liquid carryover without difficulty. This ensures reliability under the most demanding applications.

• mit montagefreundlicher Klemmringnabe • mit integriertem Rillenkugellager • für hohe Lagerkräfte und beste Rundlaufgenauigkeit • Drehmomentbereich: 0,5 - 9000 Nm • Wellendurchmesser: 5 - 120 mm Material:Vergütungsstahl Temperaturbereich:-30°C bis +200°C Drehmomentbereich:0,5 - 2000 Nm Wellendurchmesser:5 - 100 mm

Suction capacity 100 to 28000 m³/h; Vacuum to 33 mbar abs.; Discharge pressure to 3.5 bar abs. The 2BE1 series of liquid ring vacuum pumps and compressors is one of the most successful liquid ring pumps worldwide. A great number of models are available. The 2BE1 covers a broad range of suction volume, vacuum and discharge pressure. The series is certified according to ATEX and proved itself in many challenging applications. Vacuum pumps and compressors of the 2BE1 series are used in almost all industrial applications.

RUFF ist der Führende Hersteller für Ringbewickelmaschine, Linearwickelmaschine, Wendelwickelmaschine. Die Bandbreite ist von einfachen Maschinen für die Massenproduktion bis hin zu Komplexen für spezielle Anwendungen.

10 - 75 CFM / 17 to 127 m³/h NASH has been providing vacuum pumps and packages in shipboard priming applications for over 50 years and continues to offer a wide range of classic products for this service. The single stage MD570, MD670, MHC, and MHF series are available in a variety of materials including bronze, copper nickel, and stainless steel. These pumps are provided close coupled to a marine duty motor have capacties ranging from 10 to 75 CFM. If deeper vacuum is required, the two stage AT34 & AT64 pumps are available with capacties ranging from 30 to 75 CFM.

100 - 3600 CFM / 170 to 6,100 m³/h The NASH SC can be found in countless industries, performing its duties. Available in nine models, the capacities of the NASH SC compressor range from approximately 100 CFM to 3,600 CFM and up to 25 PSIG. NASH SC compressors come in iron & stainless steel.

15 - 140 CFM / 35 to 210 m³/h Designed from the ground up to meet the widespread needs of the process industry, the Vectra SX adds five models to Nash’s Vectra series in the 1 ½ to 10 HP range at 60 Hz (0.75 to 5.5 kW at 50 Hz), providing the right solution for small capacity vacuum pump requirements. Designed to use less energy and consume less operating liquid than competitive models, it is possible to save the user as much as 40% on power consumption and 50% on water usage.

Suction capacity 125 to 1400 m³/h; Vacuum to 33 mbar abs.; Discharge pressure to 2.0 bar abs. The NASH 2BM1 magnetic drive pump series is capable of achieving volume flow rates of 125 to 1400 m³/h and vacuum of 33 mbar abs. Non-contact torque transmission is achieved by using a permanent magnetic drive system. The pump's inner working space is hermetically sealed from atmospheric conditions, eliminating any possibility of leakage. This seal is essential for demanding applications, such as processes that are required to meet the most stringent standards on environmental compatibility. ATEX applications are also possible, certifications are available.

15 - 5300 CFM / 195 to 9,100 m³/h The NASH Vectra was designed around a modular platform using the most advanced computer aided design techniques, such as 3D solid modeling and finite element analysis (FEA). The modular platform offers the advantage of two versions with numerous common parts. The Vectra GL model, available from 120 to 830 CFM (200 to 1,500 m³/hr), is ideal for general industrial applications. It comes standard with internal mechanical seals and many Nash patented innovations including gas scavenging. The Vectra XL model was designed to meet the stringent requirements of many CPI applications. Whether operating as a vacuum pump or compressor, it features a 30 PSI (2 bar) differential capability. It is available in ductile iron or 316L stainless steel with a variety of shaft sealing options. Sizes range from 120 to 5,300 CFM (200 to 9,000 m³/hr). The NASH Vectra can be operated within a wide range of operating speeds, with numerous 50 and 60 HZ direct drive speeds. This increased turndown capability makes them ideal for varying load applications when driven by VFD's.

High Capacity Monoblock Pumps Available in cast iron construction, the 2AV1 family provides capacities up to 600 m 3/h (360 CFM) in a compact monoblock design. When compared to conventional pumps, the 2AV1's monoblock design delivers the benefits of a simple, compact and economical installation. Since the pump and motor are integral and self supporting, there is no need for additional baseplates, couplings or guards, which add to the cost, complexity and overall size of the installation. We focused on durability and dependability when we developed these liquid-ring pumps. With a reinforced stainless steel shaft and sealed bearings, the 2AV1 can provide up to 20,000 hours of maintenance-free operation. The 2AV1 is expertly designed and manufactured to be quiet and vibration free. With sound pressure levels of less than 75 dBA, it complies with the strictest noise standards, eliminating the need for additional sound attenuating devices. Advantages at a glance Compact Rugged design for reliable operation and long service life Precision-balanced rotor 60hz Motors, UL recognized components Available from stock Low installation costs Easy to service Standard mechanical seal Reinforced stainless-steel shaft in the pump body Main Applications Plastics industry Chemical industry Medical technology Food and beverage industry General industry

18 - 75 CFM / 30 to 127 m³/h Innovative and economical monoblock pumps The NASH 2BV7 pumps have been designed to provide superior performance for a wide array of applications. Available from 18 to 75 CFM (30 to 140 m³/hr), their high vacuum capability, extra water handling ability and compact size combine to make an ideal machine for industries like plastics manufacturing and medical technologies. Combining quality construction with reliability The simple construction and quality materials of the 2BV7 combine for an extremely reliable machine. Featuring a corrosion free compression chamber that includes a stainless steel body, shaft and port plate, these pumps provide excellent resistance to to corrosive and errosive media. Whats more, with the corrosion free materials, the one moving part (the rotor) is ensured to turn freely even after long periods of inactivity. For worldwide use and available for quick delivery. The 2BV7 is equipped with a very versatile motor that is ready to be installed nearly anywhere throughout the world. The motor includes wide voltage range capability, an IP55 enclosure and is suitable for 50/60 Hz service. It also comforms to international standards, including UL and CSA. Providing a motor designed for the global market ensures that the 2BV7 is available when you need it, whether here or abroad.

3000 - 16000 CFM / 5,100 to 27,200 m³/h The NASH 904 , which replaced the popular NASH CL pump in the 1980's, can still be found at Gardner Denver Nash. Capacities of the 904 pumps range upward from about 3,000 CFM at vacuum. These durable pumps can handle excess liquid carryover without any difficulty, even if it arrives as massive slugs. 904 pumps are found in many industries including Paper, Chemical, and Mining. All 904 models are still available from Gardner Denver Nash, the original designer and manufacturer. Whether you have an existing 904 pump running in your plant that is in need of service, repair, or replacement with a new or remanufactured duplicate 904/905 pump, Gardner Denver Nash is there for all of the above.

120 - 5300 CFM / 195 to 9,000 m³/h The NASH Vectra was designed around a modular platform using the most advanced computer aided design techniques, such as 3D solid modeling and finite element analysis (FEA). The modular platform offers the advantage of two versions with numerous common parts. The Vectra GL model, available from 120 to 830 CFM (200 to 1,500 m³/hr), is ideal for general industrial applications. It comes standard with internal mechanical seals and many Nash patented innovations including gas scavenging. The Vectra XL model was designed to meet the stringent requirements of many CPI applications. Whether operating as a vacuum pump or compressor, it features a 30 PSI (2 bar) differential capability. It is available in ductile iron or 316L stainless steel with a variety of shaft sealing options. Sizes range from 120 to 5,300 CFM (200 to 9,000 m³/hr). The NASH Vectra can be operated within a wide range of operating speeds, with numerous 50 and 60 HZ direct drive speeds. This increased turndown capability makes them ideal for varying load applications when driven by VFD's.

1500 - 19000 CFM / 3,000 to 9,500 m³/h Nash's 2BE3 and 2BE4 series compressors have capacities ranging from 1,500 to 19,000 CFM (2,500 to 33,000 m³hr). Designed to operate in demanding environments like the paper, power, mining and chemical process industries, these compressors offer durability and reliability at a low cost of operation. Each model is equipped with an application-proven polyisoprene-lined body for added corrosion & erosion resistance. The unique inlet configuration allows for both top and side inlet arrangements to accommodate low headroom installations. In installations where space is limited, the top discharge capability of the 2BE3 and 2BE4 allows the use of a top mounted discharge separator that saves floor space and eliminates the need for a trench. These compressors allow efficient operation over the entire vacuum range without the need to change the compressors's internals. When equipped with a center shroud, split vacuum operation up to 12 in. Hg (400 millibar) differential can be achieved. Large inspection ports allow easy access to pump internals for inspection and maintenance. For more aggressive applications, stainless steel, stainless steel clad and epoxy coated components are available.

500 - 2500 CFM The popular NASH AT two stage vacuum pumps have been providing reliable high vacuum performance in the power industry for over 25 years. With four models ranging from 500 - 2500 CFM and vacuum levels as low as 1" HgA, the AT's are an ideal choice when you need a rugged and long lasting machine to handle your saturated process gases. Whether you have an existing AT pump that is in need of service, repair or replacement with a new or remanufactured duplicate AT pump, Gardner Denver Nash is there to meet your needs.

• simple installation with clamping ring hub • with inegrated ball bearing • for high axial and radial load, extra ordinary syncronism and quiet running • torque range: 0,5 - 9000 Nm • shaft diameter: 5 - 120 mm Material:heat-treated steel temperature range:-30°C bis +200°C torque range:0,5 - 2000 Nm shaft diameter:5 - 100 mm

Suction capacity 125 to 1400 m³/h; Vacuum to 33 mbar abs.; Discharge pressure to 2.0 bar abs. The NASH 2BM1 magnetic drive pump series is capable of achieving volume flow rates of 125 to 1400 m³/h and vacuum of 33 mbar abs. Non-contact torque transmission is achieved by using a permanent magnetic drive system. The pump's inner working space is hermetically sealed from atmospheric conditions, eliminating any possibility of leakage. This seal is essential for demanding applications, such as processes that are required to meet the most stringent standards on environmental compatibility. ATEX applications are also possible, certifications are available.

3000 - 16000 CFM / 5,100 to 27,200 m³/h The NASH 905 series has been designed to provide superior reliability and performance in harsh applications such as chemical processing or geothermal power generation. Constructed of 316L stainless steel, the 905 series offers excellent corrosion resistance and can be outfitted with a variety of mechanical seals. It also includes a patented gas scavenging feature. All 904 models are still available from Gardner Denver Nash, the original designer and manufacturer. Whether you have an existing 904 pump running in your plant that is in need of service, repair, or replacement with a new or remanufactured duplicate 904/905 pump, Gardner Denver Nash is there for all of the above.

Stabiler Metallkoffer für Montageeinsätze, mit zwei Bestückungsebenen, individuelle Bestückung mit Abstimmblechen nach Kundenvorgabe (Standardblechdicken 0,1/ 0,2/ 0,5/ 1,0/ 2,0/ 5,0mm).

Available in both cast iron and stainless steel construction, the 2AV2 family provides up the 600 m³/hr (360 CFM) in a compact design, while giving you the flexibility of choosing the right motor for your needs. The pedestal design of the 2AV2 provides the benefit of flange mounting the motor to a self-supporting pump. No coupling guards, base plates or cumbersome shaft alignment is needed. The 2AV2 is an ideal choice when you need a compact and economical pump for an explosion proof or severe duty application. We focused on durability and dependability when we developed these liquid-ring pumps. With a reinforced stainless steel shaft and sealed bearings, the 2AV2 can provide up to 20,000 hours of maintenance-free operation. The 2AV2 is expertly designed and manufactured to be quiet and vibration free. With sound pressure levels of less that 75 dBA, it complies with the strictest noise standards, eliminating the need for additional sound attenuating devices. Advantages at a glance Compact Rugged design for reliable operation and long service life Precision-balanced rotor Suitable for NEMA C flange motor frames Low installation costs Easy to service Standard mechanical seal Main Applications Plastics Industry Chemical Industry Medical Technology Food and Beverage Industry General Industry

15 - 140 CFM / 35 to 210 m³/h Designed from the ground up to meet the widespread needs of the process industry, the Vectra SX adds five models to Nash’s Vectra series in the 1 ½ to 10 HP range at 60 Hz (0.75 to 5.5 kW at 50 Hz), providing the right solution for small capacity vacuum pump requirements. Designed to use less energy and consume less operating liquid than competitive models, it is possible to save the user as much as 40% on power consumption and 50% on water usage.

1500 - 19000 CFM / 2,500 to 33,000 m³/hr Nash's 2BE3 & 2BE4 vacuum pump series offers capacities ranging from 1,500 to 19,000 CFM (2,500 to 33,000 m³/hr). Designed to operate in demanding environments like the paper, power, mining and chemical process industries, these pumps offer durability and reliability at a low cost of operation. Each model is equipped with an application-proven polyisoprene-lined body for added corrosion & erosion resistance. The unique inlet configuration allows for both top and side inlet arrangements to accommodate low headroom installations. In installations where space is limited, the top discharge capability of the 2BE4 allows the use of a top mounted discharge separator that saves floor space and eliminates the need for a trench. The pumps allow efficient operation over the entire vacuum range without the need to change the pump's internals. When equipped with a center shroud, split vacuum operation up to 12 in. Hg (400 millibar) differential can be achieved. Large inspection ports allow easy access to pump internals for inspection and maintenance. For more aggressive applications, stainless steel, stainless steel clad and epoxy coated components are available.

The NASH 2BE5 was developed from the proven NASH 2BE3 and 2BE4 compressors, whose reliable performance has been further improved. The development focused on optimizing performance, higher vacuum capabilities and ease of maintenance. NASH 2BE5 Benefits include: improved efficiency higher vacuum levels (to 100 mbar abs / 3" Hg abs) built-in ECO-FLO™ water saving technology with patent pending gas scavenging drop in replacement for 2BE3 and 2BE4 removable bearing brackets for easier maintenance elimination of tie rods, resulting in improved sealing due to bolted casing joints polyisoprene lining The footprint and connections to the NASH 2BE5 models are identical to its predecessors, the NASH 2BE3 and 2BE4. Therefore, exchanging or upgrading to the more efficient NASH 2BE5 requires no site modifications. The NASH 2BE5 model is available in cast iron, with stainless steel coming soon. The 2BE5 is perfect for use in mining, filter applications, paper mills, power plants, chemical plants, refineries and more.

100 - 1800 CFM / 170 to 3,050 m³/h The GARO line of liquid ring compressors expands the capacity and pressure ranges of the Nash line to meet the ever growing requirements of our customers. Found primarily in petroleum refineries and chemical plants, these rugged and reliable compressors handle highly toxic, explosive and corrosive gases in applications such as flare-gas, chlorine and Vinyl Chlorine Monomer (VCM) recovery. The GARO line, available in single and two-stage designs, comes in: cast iron, stainless steel, carbon steel, spheroidal cast iron, 316 stainless steel, duplex stainless steel, and Hastelloy or Titanium on select models. Together with other NASH liquid ring compressors, including the HP-9, the 14 GARO models form the NASH core compressor product line, which provides compression greater than 200 psig (15 Bar abs). Low pressure compressors are available to 30 psig (3 Bar abs), and 20,000 CFM (34,000 m³/hr). As a result, NASH offers the widest pressure and capacity ranges of liquid ring compressors available worldwide.

High capacity monoblock pumps Available in both cast iron and stainless steel construction, the 2BV5 family provides up the 600 m³/hr (360 CFM) in a compact monoblock design. Space-saving installation When compared to conventional pumps, the 2BV5's monoblock design delivers the benefits of a simple, compact and economical intallation. Since the pump and motor are integral and self supporting, there is no need for additional baseplates, couplings or guards, which add to the cost, complexity and overall size of the installation. Rugged and reliable We focused on durability and dependability when we developed these liquid-ring pumps. With a reinforced stainless steel shaft and sealed bearings, the 2BV5 can provide up to 20,000 hours of maintenance-free operation. Additional features such as the iron pump's ceramic coated casing prevent wear and ensure constant performance, even under harsh conditions. Quiet and precision balanced The 2BV5 is expertly designed and manufactured to be quiet and vibration free. With sound pressure levels of less that 75 dBA, it complies with the strictest noise standards, eliminating the need for additional sound attenuating devices.

3000 - 16000 CFM / 5,100 to 27,200 m³/h The NASH 904 , which replaced the popular NASH CL pump in the 1980's, can still be found at Gardner Denver Nash. Capacities of the 904 pumps range upward from about 3,000 CFM at vacuum. These durable pumps can handle excess liquid carryover without any difficulty, even if it arrives as massive slugs. 904 pumps are found in many industries including Paper, Chemical, and Mining. All 904 models are still available from Gardner Denver Nash, the original designer and manufacturer. Whether you have an existing 904 pump running in your plant that is in need of service, repair, or replacement with a new or remanufactured duplicate 904/905 pump, Gardner Denver Nash is there for all of the above.

3000 - 16000 CFM / 5,100 to 27,200 m³/h The NASH 905 is a redesign and upgrade of the NASH 904. Capacities of the 904 pumps range upward from about 3,000 CFM at vacuum. These durable compressors can handle excess liquid carryover without any difficulty, even if it arrives as massive slugs. 904 compressors are found in many industries, including Paper, Chemical, and Mining. The 905 series has been designed to provide superior reliability and performance in harsh applications such as chemical processing or geothermal power generation. Constructed of 316L stainless steel, the 905 series offers excellent corrosion resistance and can be outfitted with a variety of mechanical seals. It also includes a patented gas scavenging feature.

Pre-compressed Packing Set of specially impregnated PTFE fiber packing Characteristics Ring set made of pure PTFE packing and PTFE compound bull rings fulfills with a tested leakage rate of 4.2 x 10 -5 mbar · l/(s·m) the leakage criteria according to VDI 2440 +200 °C with a maximum allowable leakagerate of 1 x 10 -4 mbar l/(sm) and is suitable for temperatures up to +200 °C. Operating range Pressure without LiveLoading: p 40 [bar] Pressure with LiveLoading: p 100 [bar] Temperature without LiveLoading: t +200 °C Temperature with LiveLoading: t +200 °C pH: 0 - 14 Main application Valves Flaps Gate valves Fittings Suitable for Power plant technology Chemical industry Petrochemical plants Approvals TA Luft / VDI 2440 Certificate